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Record Information
Version5.0
StatusExpected but not Quantified
Creation Date2012-09-11 20:50:11 UTC
Update Date2022-03-07 02:54:38 UTC
HMDB IDHMDB0035813
Secondary Accession Numbers
  • HMDB35813
Metabolite Identification
Common Name7-Methylrosmanol
Description7-Methylrosmanol belongs to the class of organic compounds known as diterpene lactones. These are diterpenoids containing a lactone moiety. 7-Methylrosmanol is an extremely weak basic (essentially neutral) compound (based on its pKa).
Structure
Data?1563862776
Synonyms
ValueSource
7-MethoxyrosmanolHMDB
7alpha-MethoxyrosmanolMeSH
7-beta-MethoxyrosmanolMeSH
Chemical FormulaC21H28O5
Average Molecular Weight360.444
Monoisotopic Molecular Weight360.193674006
IUPAC Name3,4-dihydroxy-8-methoxy-11,11-dimethyl-5-(propan-2-yl)-16-oxatetracyclo[7.5.2.0¹,¹⁰.0²,⁷]hexadeca-2,4,6-trien-15-one
Traditional Name3,4-dihydroxy-5-isopropyl-8-methoxy-11,11-dimethyl-16-oxatetracyclo[7.5.2.0¹,¹⁰.0²,⁷]hexadeca-2,4,6-trien-15-one
CAS Registry Number113085-62-4
SMILES
COC1C2OC(=O)C3(CCCC(C)(C)C23)C2=C(O)C(O)=C(C=C12)C(C)C
InChI Identifier
InChI=1S/C21H28O5/c1-10(2)11-9-12-13(15(23)14(11)22)21-8-6-7-20(3,4)18(21)17(16(12)25-5)26-19(21)24/h9-10,16-18,22-23H,6-8H2,1-5H3
InChI KeyXNPVHIQPSAZTLC-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as diterpene lactones. These are diterpenoids containing a lactone moiety.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassPrenol lipids
Sub ClassTerpene lactones
Direct ParentDiterpene lactones
Alternative ParentsNot Available
SubstituentsNot Available
Molecular FrameworkAromatic heteropolycyclic compounds
External DescriptorsNot Available
Ontology
Not AvailableNot Available
Physical Properties
StateNot Available
Experimental Molecular Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
PropertyValueSource
Water Solubility0.073 g/LALOGPS
logP3.84ALOGPS
logP4.22ChemAxon
logS-3.7ALOGPS
pKa (Strongest Acidic)9.18ChemAxon
pKa (Strongest Basic)-4.2ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count4ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area75.99 ŲChemAxon
Rotatable Bond Count2ChemAxon
Refractivity97.46 m³·mol⁻¹ChemAxon
Polarizability38.87 ųChemAxon
Number of Rings4ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Predicted Chromatographic Properties

Predicted Collision Cross Sections

PredictorAdduct TypeCCS Value (Å2)Reference
DarkChem[M+H]+185.00331661259
DarkChem[M-H]-178.18931661259
DeepCCS[M-2H]-226.04930932474
DeepCCS[M+Na]+201.35130932474
AllCCS[M+H]+185.432859911
AllCCS[M+H-H2O]+182.632859911
AllCCS[M+NH4]+187.932859911
AllCCS[M+Na]+188.632859911
AllCCS[M-H]-194.132859911
AllCCS[M+Na-2H]-194.432859911
AllCCS[M+HCOO]-194.832859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
7-MethylrosmanolCOC1C2OC(=O)C3(CCCC(C)(C)C23)C2=C(O)C(O)=C(C=C12)C(C)C3778.7Standard polar33892256
7-MethylrosmanolCOC1C2OC(=O)C3(CCCC(C)(C)C23)C2=C(O)C(O)=C(C=C12)C(C)C2775.2Standard non polar33892256
7-MethylrosmanolCOC1C2OC(=O)C3(CCCC(C)(C)C23)C2=C(O)C(O)=C(C=C12)C(C)C2784.8Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
7-Methylrosmanol,1TMS,isomer #1COC1C2=CC(C(C)C)=C(O)C(O[Si](C)(C)C)=C2C23CCCC(C)(C)C2C1OC3=O2749.5Semi standard non polar33892256
7-Methylrosmanol,1TMS,isomer #2COC1C2=CC(C(C)C)=C(O[Si](C)(C)C)C(O)=C2C23CCCC(C)(C)C2C1OC3=O2745.8Semi standard non polar33892256
7-Methylrosmanol,2TMS,isomer #1COC1C2=CC(C(C)C)=C(O[Si](C)(C)C)C(O[Si](C)(C)C)=C2C23CCCC(C)(C)C2C1OC3=O2747.4Semi standard non polar33892256
7-Methylrosmanol,1TBDMS,isomer #1COC1C2=CC(C(C)C)=C(O)C(O[Si](C)(C)C(C)(C)C)=C2C23CCCC(C)(C)C2C1OC3=O3001.1Semi standard non polar33892256
7-Methylrosmanol,1TBDMS,isomer #2COC1C2=CC(C(C)C)=C(O[Si](C)(C)C(C)(C)C)C(O)=C2C23CCCC(C)(C)C2C1OC3=O2996.7Semi standard non polar33892256
7-Methylrosmanol,2TBDMS,isomer #1COC1C2=CC(C(C)C)=C(O[Si](C)(C)C(C)(C)C)C(O[Si](C)(C)C(C)(C)C)=C2C23CCCC(C)(C)C2C1OC3=O3190.8Semi standard non polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - 7-Methylrosmanol GC-MS (Non-derivatized) - 70eV, Positivesplash10-0gb9-3109000000-b81acd39ce84a5d670da2017-09-01Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 7-Methylrosmanol GC-MS (2 TMS) - 70eV, Positivesplash10-0072-1001900000-06c6ced767f9fa52e0322017-10-06Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 7-Methylrosmanol GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 7-Methylrosmanol GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum

MS/MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 7-Methylrosmanol 10V, Positive-QTOFsplash10-03di-0009000000-d98aeb0d58e231b9606f2015-04-24Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 7-Methylrosmanol 20V, Positive-QTOFsplash10-03xr-2219000000-db8756084a3f6e7ef6c92015-04-24Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 7-Methylrosmanol 40V, Positive-QTOFsplash10-00xr-9825000000-346e8f7360f183a4dcbf2015-04-24Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 7-Methylrosmanol 10V, Negative-QTOFsplash10-0a4i-0009000000-1bcdb62467e5e47e0d792015-04-25Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 7-Methylrosmanol 20V, Negative-QTOFsplash10-0a4i-0009000000-40d481caf84bf99b39ec2015-04-25Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 7-Methylrosmanol 40V, Negative-QTOFsplash10-014m-0796000000-f64eb894c5ada4b237132015-04-25Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 7-Methylrosmanol 10V, Negative-QTOFsplash10-0a4i-0009000000-41772d81bf1e3dfb87022021-09-23Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 7-Methylrosmanol 20V, Negative-QTOFsplash10-0aor-0009000000-c3b2744df0b3b63f9a6b2021-09-23Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 7-Methylrosmanol 40V, Negative-QTOFsplash10-0a4i-0009000000-ab4633aba66b6004ada42021-09-23Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 7-Methylrosmanol 10V, Positive-QTOFsplash10-03di-0009000000-2821e5a8b0946c8def9e2021-09-24Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 7-Methylrosmanol 20V, Positive-QTOFsplash10-0400-0009000000-873533b0c9feb05a40592021-09-24Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 7-Methylrosmanol 40V, Positive-QTOFsplash10-0292-0958000000-674ca80b101f9de44bdd2021-09-24Wishart LabView Spectrum
Biological Properties
Cellular Locations
  • Extracellular
  • Membrane
Biospecimen LocationsNot Available
Tissue LocationsNot Available
Pathways
Normal Concentrations
Not Available
Abnormal Concentrations
Not Available
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDFDB014572
KNApSAcK IDNot Available
Chemspider ID8126384
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound9950773
PDB IDNot Available
ChEBI IDNot Available
Food Biomarker OntologyNot Available
VMH IDNot Available
MarkerDB IDNot Available
Good Scents IDNot Available
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General References
  1. Simons K, Toomre D: Lipid rafts and signal transduction. Nat Rev Mol Cell Biol. 2000 Oct;1(1):31-9. [PubMed:11413487 ]
  2. Watson AD: Thematic review series: systems biology approaches to metabolic and cardiovascular disorders. Lipidomics: a global approach to lipid analysis in biological systems. J Lipid Res. 2006 Oct;47(10):2101-11. Epub 2006 Aug 10. [PubMed:16902246 ]
  3. Sethi JK, Vidal-Puig AJ: Thematic review series: adipocyte biology. Adipose tissue function and plasticity orchestrate nutritional adaptation. J Lipid Res. 2007 Jun;48(6):1253-62. Epub 2007 Mar 20. [PubMed:17374880 ]
  4. Lingwood D, Simons K: Lipid rafts as a membrane-organizing principle. Science. 2010 Jan 1;327(5961):46-50. doi: 10.1126/science.1174621. [PubMed:20044567 ]
  5. (). Yannai, Shmuel. (2004) Dictionary of food compounds with CD-ROM: Additives, flavors, and ingredients. Boca Raton: Chapman & Hall/CRC.. .
  6. Gunstone, Frank D., John L. Harwood, and Albert J. Dijkstra (2007). The lipid handbook with CD-ROM. CRC Press.